//判断菜单节点是否是末级节点
export default function leafUtils(){
  const setLeaf =(arr) => {
    if(arr && arr.length >0){
      for(let i =0; i < arr.length;i++){
        if(arr[i].children && arr[i].children.length > 0){
          arr[i].open = false;
          setLeaf(arr[i].children)
        }else {
          arr[i].open = true;
        }
      }
    }
    return arr
  }
  return{
    setLeaf
  }
}
